Home / 12,241,323.90-18,346,239.45-7,443,920.70

Finding the Fourth Proportional to 12,241,323.90, 18,346,239.45 and 7,443,920.70

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Solution

The fourth proportional to 12,241,323.90, 18,346,239.45 and 7,443,920.70 is: 11,156,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,323.90 : 18,346,239.45 = 7,443,920.70 : x
  2. Step 2: Convert to fraction form
    12,241,323.90/18,346,239.45 = 7,443,920.70/x
  3. Step 3: Cross multiply
    12,241,323.90x = 18,346,239.45 × 7,443,920.70
  4. Step 4: Simplify right side
    12,241,323.90x = 136,567,951,609,011.61
  5. Step 5: Solve for x
    x = 136,567,951,609,011.61/12,241,323.90
  6. Step 6: Final answer
    x = 11,156,305.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.